cause vs spawn

cause

verb
  • To actively produce as a result, by means of force or authority. 

  • To set off an event or action. 

noun
  • Sufficient reason for a state, as of emotion. 

  • A goal, aim or principle, especially one which transcends purely selfish ends. 

  • A suit or action in court; any legal process by which a party endeavors to obtain his claim, or what he regards as his right; case; ground of action. 

  • The source of, or reason for, an event or action; that which produces or effects a result. 

spawn

verb
  • To induce (aquatic organisms) to spawn. 

  • To produce or deposit (eggs) in water. 

  • To bring forth in general. 

  • (To cause) to appear spontaneously in a game at a certain point and time. 

  • To reproduce, especially in large numbers. 

  • To generate, bring into being, especially non-mammalian beings in very large numbers. 

  • To plant with fungal spawn. 

  • To deposit (numerous) eggs in water. 

noun
  • The numerous eggs of an aquatic organism. 

  • Mushroom mycelium prepared for (aided) propagation. 

  • Any germ or seed, even a figurative source; offspring. 

  • The buds or branches produced from underground stems. 

  • The location in a game where characters or objects spontaneously appear. 

How often have the words cause and spawn occurred in a corpus of books? (source: Google Ngram Viewer )